5G; NG-RAN; NG Application Protocol (NGAP) (3GPP TS 38.413 version 15.5.0 Release 15)

RTS/TSGR-0338413vf50

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Status
Published
Publication Date
15-Oct-2019
Current Stage
12 - Completion
Completion Date
16-Oct-2019
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ETSI TS 138 413 V15.5.0 (2019-10) - 5G; NG-RAN; NG Application Protocol (NGAP) (3GPP TS 38.413 version 15.5.0 Release 15)
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ETSI TS 138 413 V15.5.0 (2019-10)
TECHNICAL SPECIFICATION
5G;
NG-RAN;
NG Application Protocol (NGAP)
(3GPP TS 38.413 version 15.5.0 Release 15)
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3GPP TS 38.413 version 15.5.0 Release 15 1 ETSI TS 138 413 V15.5.0 (2019-10)
Reference
RTS/TSGR-0338413vf50
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3GPP TS 38.413 version 15.5.0 Release 15 2 ETSI TS 138 413 V15.5.0 (2019-10)
Intellectual Property Rights
Essential patents

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pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

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Legal Notice

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Modal verbs terminology

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ETSI
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3GPP TS 38.413 version 15.5.0 Release 15 3 ETSI TS 138 413 V15.5.0 (2019-10)
Contents

Intellectual Property Rights ................................................................................................................................ 2

Legal Notice ....................................................................................................................................................... 2

Modal verbs terminology .................................................................................................................................... 2

Foreword ........................................................................................................................................................... 13

1 Scope ...................................................................................................................................................... 14

2 References .............................................................................................................................................. 14

3 Definitions and abbreviations ................................................................................................................. 15

3.1 Definitions ........................................................................................................................................................ 15

3.2 Abbreviations ................................................................................................................................................... 16

4 General ................................................................................................................................................... 16

4.1 Procedure Specification Principles ................................................................................................................... 16

4.2 Forwards and Backwards Compatibility .......................................................................................................... 17

4.3 Specification Notations .................................................................................................................................... 17

5 NGAP Services ...................................................................................................................................... 17

6 Services Expected from Signalling Transport ........................................................................................ 17

7 Functions of NGAP ................................................................................................................................ 18

8 NGAP Procedures .................................................................................................................................. 18

8.1 List of NGAP Elementary Procedures .............................................................................................................. 18

8.2 PDU Session Management Procedures ............................................................................................................ 19

8.2.1 PDU Session Resource Setup ..................................................................................................................... 19

8.2.1.1 General .................................................................................................................................................. 19

8.2.1.2 Successful Operation ............................................................................................................................. 20

8.2.1.3 Unsuccessful Operation ........................................................................................................................ 22

8.2.1.4 Abnormal Conditions ............................................................................................................................ 22

8.2.2 PDU Session Resource Release .................................................................................................................. 23

8.2.2.1 General .................................................................................................................................................. 23

8.2.2.2 Successful Operation ............................................................................................................................. 23

8.2.2.3 Unsuccessful Operation ........................................................................................................................ 24

8.2.2.4 Abnormal Conditions ............................................................................................................................ 24

8.2.3 PDU Session Resource Modify .................................................................................................................. 24

8.2.3.1 General .................................................................................................................................................. 24

8.2.3.2 Successful Operation ............................................................................................................................. 24

8.2.3.3 Unsuccessful Operation ........................................................................................................................ 26

8.2.3.4 Abnormal Conditions ............................................................................................................................ 26

8.2.4 PDU Session Resource Notify .................................................................................................................... 27

8.2.4.1 General .................................................................................................................................................. 27

8.2.4.2 Successful Operation ............................................................................................................................. 27

8.2.4.3 Abnormal Conditions ............................................................................................................................ 28

8.2.5 PDU Session Resource Modify Indication ................................................................................................. 28

8.2.5.1 General .................................................................................................................................................. 28

8.2.5.2 Successful Operation ............................................................................................................................. 28

8.2.5.3 Unsuccessful Operation ........................................................................................................................ 29

8.2.5.4 Abnormal Conditions ............................................................................................................................ 29

8.3 UE Context Management Procedures ............................................................................................................... 29

8.3.1 Initial Context Setup ................................................................................................................................... 29

8.3.1.1 General .................................................................................................................................................. 29

8.3.1.2 Successful Operation ............................................................................................................................. 30

8.3.1.3 Unsuccessful Operation ........................................................................................................................ 32

8.3.1.4 Abnormal Conditions ............................................................................................................................ 32

8.3.2 UE Context Release Request (NG-RAN node initiated) ............................................................................ 32

8.3.2.1 General .................................................................................................................................................. 32

ETSI
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3GPP TS 38.413 version 15.5.0 Release 15 4 ETSI TS 138 413 V15.5.0 (2019-10)

8.3.2.2 Successful Operation ............................................................................................................................. 33

8.3.2.3 Abnormal Conditions ............................................................................................................................ 33

8.3.3 UE Context Release (AMF initiated) .......................................................................................................... 33

8.3.3.1 General .................................................................................................................................................. 33

8.3.3.2 Successful Operation ............................................................................................................................. 33

8.3.3.3 Unsuccessful Operation ........................................................................................................................ 34

8.3.3.4 Abnormal Conditions ............................................................................................................................ 34

8.3.4 UE Context Modification ............................................................................................................................ 34

8.3.4.1 General .................................................................................................................................................. 34

8.3.4.2 Successful Operation ............................................................................................................................. 34

8.3.4.3 Unsuccessful Operation ........................................................................................................................ 36

8.3.4.4 Abnormal Conditions ............................................................................................................................ 36

8.3.5 RRC Inactive Transition Report ................................................................................................................. 36

8.3.5.1 General .................................................................................................................................................. 36

8.3.5.2 Successful Operation ............................................................................................................................. 36

8.3.5.3 Abnormal Conditions ............................................................................................................................ 36

8.4 UE Mobility Management Procedures ............................................................................................................. 37

8.4.1 Handover Preparation ................................................................................................................................. 37

8.4.1.1 General .................................................................................................................................................. 37

8.4.1.2 Successful Operation ............................................................................................................................. 37

8.4.1.3 Unsuccessful Operation ........................................................................................................................ 39

8.4.1.4 Abnormal Conditions ............................................................................................................................ 39

8.4.2 Handover Resource Allocation ................................................................................................................... 39

8.4.2.1 General .................................................................................................................................................. 39

8.4.2.2 Successful Operation ............................................................................................................................. 39

8.4.2.3 Unsuccessful Operation ........................................................................................................................ 42

8.4.2.4 Abnormal Conditions ............................................................................................................................ 42

8.4.3 Handover Notification ................................................................................................................................ 42

8.4.3.1 General .................................................................................................................................................. 42

8.4.3.2 Successful Operation ............................................................................................................................. 43

8.4.3.3 Abnormal Conditions ............................................................................................................................ 43

8.4.4 Path Switch Request ................................................................................................................................... 43

8.4.4.1 General .................................................................................................................................................. 43

8.4.4.2 Successful Operation ............................................................................................................................. 43

8.4.4.3 Unsuccessful Operation ........................................................................................................................ 45

8.4.4.4 Abnormal Conditions ............................................................................................................................ 45

8.4.5 Handover Cancellation ............................................................................................................................... 45

8.4.5.1 General .................................................................................................................................................. 45

8.4.5.2 Successful Operation ............................................................................................................................. 46

8.4.5.3 Unsuccessful Operation ........................................................................................................................ 46

8.4.5.4 Abnormal Conditions ............................................................................................................................ 46

8.4.6 Uplink RAN Status Transfer ....................................................................................................................... 46

8.4.6.1 General .................................................................................................................................................. 46

8.4.6.2 Successful Operation ............................................................................................................................. 46

8.4.6.3 Abnormal Conditions ............................................................................................................................ 47

8.4.7 Downlink RAN Status Transfer .................................................................................................................. 47

8.4.7.1 General .................................................................................................................................................. 47

8.4.7.2 Successful Operation ............................................................................................................................. 47

8.4.7.3 Abnormal Conditions ............................................................................................................................ 47

8.5 Paging Procedures ............................................................................................................................................ 47

8.5.1 Paging ......................................................................................................................................................... 47

8.5.1.1 General .................................................................................................................................................. 47

8.5.1.2 Successful Operation ............................................................................................................................. 48

8.5.1.3 Abnormal Conditions ............................................................................................................................ 48

8.6 Transport of NAS Messages Procedures .......................................................................................................... 48

8.6.1 Initial UE Message...................................................................................................................................... 48

8.6.1.1 General .................................................................................................................................................. 48

8.6.1.2 Successful Operation ............................................................................................................................. 49

8.6.1.3 Abnormal Conditions ............................................................................................................................ 49

8.6.2 Downlink NAS Transport ........................................................................................................................... 49

8.6.2.1 General .................................................................................................................................................. 49

8.6.2.2 Successful Operation ............................................................................................................................. 50

ETSI
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3GPP TS 38.413 version 15.5.0 Release 15 5 ETSI TS 138 413 V15.5.0 (2019-10)

8.6.2.3 Abnormal Conditions ............................................................................................................................ 50

8.6.3 Uplink NAS Transport ................................................................................................................................ 51

8.6.3.1 General .................................................................................................................................................. 51

8.6.3.2 Successful Operation ............................................................................................................................. 51

8.6.3.3 Abnormal Conditions ............................................................................................................................ 51

8.6.4 NAS Non Delivery Indication .................................................................................................................... 51

8.6.4.1 General .................................................................................................................................................. 51

8.6.4.2 Successful Operation ............................................................................................................................. 51

8.6.4.3 Abnormal Conditions ............................................................................................................................ 52

8.6.5 Reroute NAS Request ................................................................................................................................. 52

8.6.5.1 General .................................................................................................................................................. 52

8.6.5.2 Successful Operation ............................................................................................................................. 52

8.6.5.3 Abnormal Conditions ............................................................................................................................ 52

8.7 Interface Management Procedures ................................................................................................................... 52

8.7.1 NG Setup .................................................................................................................................................... 52

8.7.1.1 General .................................................................................................................................................. 52

8.7.1.2 Successful Operation ............................................................................................................................. 53

8.7.1.3 Unsuccessful Operation ........................................................................................................................ 53

8.7.1.4 Abnormal Conditions ............................................................................................................................ 53

8.7.2 RAN Configuration Update ........................................................................................................................ 53

8.7.2.1 General .................................................................................................................................................. 53

8.7.2.2 Successful Operation ............................................................................................................................. 54

8.7.2.3 Unsuccessful Operation ........................................................................................................................ 54

8.7.2.4 Abnormal Conditions ............................................................................................................................ 54

8.7.3 AMF Configuration Update ........................................................................................................................ 55

8.7.3.1 General .................................................................................................................................................. 55

8.7.3.2 Successful Operation ............................................................................................................................. 55

8.7.3.3 Unsuccessful Operation ........................................................................................................................ 56

8.7.3.4 Abnormal Conditions ............................................................................................................................ 56

8.7.4 NG Reset ..................................................................................................................................................... 56

8.7.4.1 General .................................................................................................................................................. 56

8.7.4.2 Successful Operation ............................................................................................................................. 57

8.7.4.2.1 NG Reset initiated by the AMF ....................................................................................................... 57

8.7.4.2.2 NG Reset initiated by the NG-RAN node ....................................................................................... 58

8.7.4.3 Unsuccessful Operation ........................................................................................................................ 58

8.7.4.4 Abnormal Conditions ............................................................................................................................ 58

8.7.4.4.1 Abnormal Condition at the 5GC ...................................................................................................... 58

8.7.4.4.2 Abnormal Condition at the NG-RAN .............................................................................................. 59

8.7.4.4.3 Crossing of NG RESET Messages .................................................................................................. 59

8.7.5 Error Indication ........................................................................................................................................... 59

8.7.5.1 General .................................................................................................................................................. 59

8.7.5.2 Successful Operation ............................................................................................................................. 59

8.7.5.3 Abnormal Conditions ............................................................................................................................ 60

8.7.6 AMF Status Indication ....................
...

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